From d41101c307a88d7142bec0221044561e6c0fb09c Mon Sep 17 00:00:00 2001
From: subtly <subtly@users.noreply.github.com>
Date: Sat, 4 Apr 2015 17:22:54 +0200
Subject: [PATCH] log nullptr from cap()

---
 libwhisper/WhisperHost.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libwhisper/WhisperHost.cpp b/libwhisper/WhisperHost.cpp
index 673448051..b8cd39d19 100644
--- a/libwhisper/WhisperHost.cpp
+++ b/libwhisper/WhisperHost.cpp
@@ -163,7 +163,13 @@ void WhisperHost::uninstallWatch(unsigned _i)
 void WhisperHost::doWork()
 {
 	for (auto i: peerSessions())
-		i.first->cap<WhisperPeer>()->sendMessages();
+	{
+		auto w = i.first->cap<WhisperPeer>();
+		if (w)
+			w->sendMessages();
+		else
+			cwarn << "cap<WhisperPeer>() returned nullptr";
+	}
 	cleanup();
 }